Home / 15,643.27-23,468.15-5,254.75

Finding the Fourth Proportional to 15,643.27, 23,468.15 and 5,254.75

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Solution

The fourth proportional to 15,643.27, 23,468.15 and 5,254.75 is: 7,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.27 : 23,468.15 = 5,254.75 : x
  2. Step 2: Convert to fraction form
    15,643.27/23,468.15 = 5,254.75/x
  3. Step 3: Cross multiply
    15,643.27x = 23,468.15 × 5,254.75
  4. Step 4: Simplify right side
    15,643.27x = 123,319,261.21
  5. Step 5: Solve for x
    x = 123,319,261.21/15,643.27
  6. Step 6: Final answer
    x = 7,883.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.